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John David Fierek
About John
Biography
John D. Fierek, regarded as one of the top OWI attorneys in the State of Indiana for over 20 years, has successfully represented Judges, Doctors, Lawyers, and Police Officers facing OWI/DUI charges. Mr. Fierek has won multiple OWI Jury Trials even when the State of Indiana admitted breath tests greater than 0.08. He has also successfully litigated blood draw cases in the Indiana Supreme Court and Indiana Court of Appeals, that forced the Indiana General Assembly to change the State's blood draw procedure. Finally, John has won multiple OWI causing Death cases. Before you hire an OWI/DUI attorney, ask if they have this experience and if they don't, you owe it to yourself to contact Mr. Fierek.
Practice Areas
5
Practice Areas
DUI and DWI
90%
27 years | 1,000 cases
Expungement
5%
12 years | 10 cases
Criminal Defense
3%
27 years | 2,000 cases
Appeals
1%
25 years | 30 cases
Fees and Rates
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Chat withLicenses
Licensed in Indiana for 27 years
State: Indiana
Acquired: 1998
No misconduct found
Location
Fierek Legal Group
12 South Odell Street, Brownsburg, IN, 46112
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John David Fierek's Reviews
Showing 1 - 5 of 6 client reviews from Avvo
Posted by Justin Hunt | November 20, 2025 | Hired Attorney
This review is from a person who hired this attorney.
Fantastic lawyer
John went above and beyond for me with my case. He had done everything that I asked for plus some. John is very good at getting back with you and keeping in touch with you throughout your case. John will fight for you and not side with one or the other. I highly recommend John to anybody and will def...
Posted by Roger | March 25, 2025 | Hired Attorney
This review is from a person who hired this attorney.
Fantastic in the court room
John went above & beyond in my case & got me a plea agreement I was super happy with. He made sure I knew all the facts about my case & answered any questions I had as I had many, but he was super patient & professional about everything. I would strongly suggest hiring John if you have any legal matt...
Posted by Jill | June 2, 2018 | Hired Attorney
This review is from a person who hired this attorney.
Review of John Fierek
I hired Mr. Fierek for a DUI. I’ve never been in any trouble, so this was very traumatic for me. Mr. Fierek was super nice, very professional and made me feel at ease. I had a lot of questions and every time I sent him a text he replied immediately. He proposed a plea agreement that I was happy w...
Posted by Garrett | April 12, 2018 | Hired Attorney
This review is from a person who hired this attorney.
The best
A friend recommend John to me. Once we called him, right away he was knowledgeable and put all of my worries to rest. Then we set an appointment and got straight to business. 10/10 would go back to him if I need a lawyer
Posted by anonymous | April 11, 2018 | Hired Attorney
This review is from a person who hired this attorney.
Excellent service
I found John on a recommendation from a friend. It was great advice. He quickly put my fears to ease and delivered the exact result he promised.
John David Fierek's Lawyer Endorsements
"I have practiced with Mr. Fierek for approximately 15 years and would highly recommend him to clients seeking representation in the area of DUI defense. He is greatly respected in the field of DUI defense and has an excellent reputation in the community for handling complicated cases in this practice area."
No Endorsement Data Available Yet
This attorney hasn't created any attorney endorsements recently on Avvo.
Experience
Honors
2006
BAC Datamaster Course, National Patent Analytical Systems
2002
Mastering Scientific Evidence Certificate, National College for DUI Defense
2002
2002 Summer Session Certificate, National College for DUI Defense
Work Experience
2018 - Present
Founding Partner, Fierek Legal Group
1999 - Present
JUDGE ADVOCATE GENERAL'S (JAG) CORPS, INDIANA ARMY NATIONAL GUARD
2017 - 2017
Partner, ZAHN, DEAL & FIEREK
2001 - 2017
PARTNER, VOYLES, ZAHN AND PAUL
1998 - 2001
DEPUTY PUBLIC DEFENDER, Marion County Public Defender Agency
Associations
2015 - Present
Military Officer Association of AmericaLifetime Member
Sample of Legal Cases
State v. Simpson
Not Guilty
State v. Ellis
Not Guilty
Education
2002
United States Army Judge Advocate General's School
Officer Advance Course
2001
United States Army Judge Advocate General's School
Officer Basic Course
1998
Indiana University School of Law, Indianapolis
JD - Juris Doctor
1995
Indiana University
BA - Bachelor of Arts
Speaking Engagements
2013
Spring Judicial College
Cross-Examining the Drug Recognition Expert
2011
Indiana Bench Bar
OWI: So You Think You Are Sober
Publications
2013
984 N.E.2d 1281
Martin v. State
2012
969 N.E.2d 1061
Moala v. State
2011
132 S.Ct 496
Temperly v. State of Indiana
2006
126 S.Ct. 1437
Napier v. State of Indiana
Languages
English
Spanish
Activity
Legal Answers